마스터 노드 쉘 스크립트 실행 시 오류

마스터 노드 쉘 스크립트 실행 시 다음과 같은 오류가 발생합니다.

-----

[root@m-k8s 1.6]# ./WO_master_node.sh

I1013 17:13:43.888031    3880 version.go:251] remote version is much newer: v1.22.2; falling back to: stable-1.20

[init] Using Kubernetes version: v1.20.11

[preflight] Running pre-flight checks

        [WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/

[preflight] Pulling images required for setting up a Kubernetes cluster

[preflight] This might take a minute or two, depending on the speed of your internet connection

[preflight] You can also perform this action in beforehand using 'kubeadm config images pull'

[certs] Using certificateDir folder "/etc/kubernetes/pki"

[certs] Generating "ca" certificate and key

[certs] Generating "apiserver" certificate and key

[certs] apiserver serving cert is signed for DNS names [kubernetes kubernetes.default kubernetes.default.svc kubernetes.default.svc.cluster.local m-k8s] and IPs [10.96.0.1 192.168.1.10]

[certs] Generating "apiserver-kubelet-client" certificate and key

[certs] Generating "front-proxy-ca" certificate and key

[certs] Generating "front-proxy-client" certificate and key

[certs] Generating "etcd/ca" certificate and key

[certs] Generating "etcd/server" certificate and key

[certs] etcd/server serving cert is signed for DNS names [localhost m-k8s] and IPs [192.168.1.10 127.0.0.1 ::1]

[certs] Generating "etcd/peer" certificate and key

[certs] etcd/peer serving cert is signed for DNS names [localhost m-k8s] and IPs [192.168.1.10 127.0.0.1 ::1]

[certs] Generating "etcd/healthcheck-client" certificate and key

[certs] Generating "apiserver-etcd-client" certificate and key

[certs] Generating "sa" key and public key

[kubeconfig] Using kubeconfig folder "/etc/kubernetes"

[kubeconfig] Writing "admin.conf" kubeconfig file

[kubeconfig] Writing "kubelet.conf" kubeconfig file

[kubeconfig] Writing "controller-manager.conf" kubeconfig file

[kubeconfig] Writing "scheduler.conf" kubeconfig file

[kubelet-start] Writing kubelet environment file with flags to file "/var/lib/kubelet/kubeadm-flags.env"

[kubelet-start] Writing kubelet configuration to file "/var/lib/kubelet/config.yaml"

[kubelet-start] Starting the kubelet

[control-plane] Using manifest folder "/etc/kubernetes/manifests"

[control-plane] Creating static Pod manifest for "kube-apiserver"

[control-plane] Creating static Pod manifest for "kube-controller-manager"

[control-plane] Creating static Pod manifest for "kube-scheduler"

[etcd] Creating static Pod manifest for local etcd in "/etc/kubernetes/manifests"

[wait-control-plane] Waiting for the kubelet to boot up the control plane as static Pods from directory "/etc/kubernetes/manifests". This can take up to 4m0s

[kubelet-check] Initial timeout of 40s passed.

        Unfortunately, an error has occurred:

                timed out waiting for the condition

        This error is likely caused by:

                - The kubelet is not running

                - The kubelet is unhealthy due to a misconfiguration of the node in some way (required cgroups disabled)

        If you are on a systemd-powered system, you can try to troubleshoot the error with the following commands:

                - 'systemctl status kubelet'

                - 'journalctl -xeu kubelet'

        Additionally, a control plane component may have crashed or exited when started by the container runtime.

        To troubleshoot, list all containers using your preferred container runtimes CLI.

        Here is one example how you may list all Kubernetes containers running in docker:

                - 'docker ps -a | grep kube | grep -v pause'

                Once you have found the failing container, you can inspect its logs with:

                - 'docker logs CONTAINERID'

error execution phase wait-control-plane: couldn't initialize a Kubernetes cluster

To see the stack trace of this error execute with --v=5 or higher

The connection to the server 192.168.1.10:6443 was refused - did you specify the right host or port?

-----

다음은 한 번 더 실행했을 때 오류입니다

-----

[root@m-k8s 1.6]# ./WO_master_node.sh

I1013 17:36:26.417655    5928 version.go:251] remote version is much newer: v1.22.2; falling back to: stable-1.20

[init] Using Kubernetes version: v1.20.11

[preflight] Running pre-flight checks

        [WARNING IsDockerSystemdCheck]: detected "cgroupfs" as the Docker cgroup driver. The recommended driver is "systemd". Please follow the guide at https://kubernetes.io/docs/setup/cri/

error execution phase preflight: [preflight] Some fatal errors occurred:

        [ERROR Port-6443]: Port 6443 is in use

        [ERROR Port-10259]: Port 10259 is in use

        [ERROR Port-10257]: Port 10257 is in use

        [ERROR FileAvailable--etc-kubernetes-manifests-kube-apiserver.yaml]: /etc/kubernetes/manifests/kube-apiserver.yaml already exists

        [ERROR FileAvailable--etc-kubernetes-manifests-kube-controller-manager.yaml]: /etc/kubernetes/manifests/kube-controller-manager.yaml already exists

        [ERROR FileAvailable--etc-kubernetes-manifests-kube-scheduler.yaml]: /etc/kubernetes/manifests/kube-scheduler.yaml already exists

        [ERROR FileAvailable--etc-kubernetes-manifests-etcd.yaml]: /etc/kubernetes/manifests/etcd.yaml already exists

        [ERROR Port-10250]: Port 10250 is in use

        [ERROR Port-2379]: Port 2379 is in use

        [ERROR Port-2380]: Port 2380 is in use

        [ERROR DirAvailable--var-lib-etcd]: /var/lib/etcd is not empty

[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`

To see the stack trace of this error execute with --v=5 or higher

cp: overwrite ‘/root/.kube/config’? configmap/calico-config created

customresourcedefinition.apiextensions.k8s.io/bgpconfigurations.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/bgppeers.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/blockaffinities.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/clusterinformations.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/felixconfigurations.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/globalnetworkpolicies.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/globalnetworksets.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/hostendpoints.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/ipamblocks.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/ipamconfigs.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/ipamhandles.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/ippools.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/kubecontrollersconfigurations.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/networkpolicies.crd.projectcalico.org created

customresourcedefinition.apiextensions.k8s.io/networksets.crd.projectcalico.org created

clusterrole.rbac.authorization.k8s.io/calico-kube-controllers created

clusterrolebinding.rbac.authorization.k8s.io/calico-kube-controllers created

clusterrole.rbac.authorization.k8s.io/calico-node created

clusterrolebinding.rbac.authorization.k8s.io/calico-node created

daemonset.apps/calico-node created

serviceaccount/calico-node created

deployment.apps/calico-kube-controllers created

serviceaccount/calico-kube-controllers created

poddisruptionbudget.policy/calico-kube-controllers created

-----

도와주세요ㅜ